Manhole self-help system

Self-help system

This product is used in urban, rural manhole construction, in the case of missing manhole cover, in order to prevent personal injury or death caused by accidental drops, and set up devices. In exceptional circumstances, such as floods and other natural disasters, the various components of self-help system can serve as a warning, self-help and other functions, easy accessibility, functionality and stability, to eliminate manhole accidents.